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Soldering flux

  Soldering flux is called soldering agent and melting agent usually, which mainly operates in removing oxides on the surface of soldering metals and liquid soldering.

Name or brand number
Content(%)
Soldering temperature(℃)
Silver soldering flux 101
Boric anhydried 30 potassium fluoborate 70
550~850
Low temperature in activity, fit for soldering of copper, copper alloy, and stainless steel with silver solder.
Silver soldering flux102
Potassium fluoride 42 Boric anhydried 35,
Potassium fluoborate23
650~850
Which is fit for the soldering of stainless steel, structure steel, copper alloy, and cast iron, with silver solder.
Silver soldering flux103
Potassium fluoborate>95
550~750
Which is fit for the soldering of copper and copper alloy.
YJ-1
Borax 100
800~1150
Which is fit for the soldering of carbon steel, cast iron, and carbide alloy with the copper solder.
YJ-2
Borax 25,Boric acid 75
850~1150
Which is fit for the soldering of carbon steel, cast iron, and carbide alloy with the copper solder.
Silver soldering flux 301
Borax 30,Boric acid 70
850~1150
Which is to solder copper alloy, carbide steel, and alloy steel.
Soldering flux
YH-G-1-7
660~725
The soldering flux is new kind of high fluid welding flux to support our product--non-silver copper-based solder and phosphor solder, which is fit for the soldering of purple copper, bronze, copper alloy, steel and stainless steel.
Soldering flux
YH-G-1-4
850~1150
Fit for bronze solder as welding flux for soldering of copper and copper alloy and steel and steel welding.